Steel Body Set-Tru Chuck - 4″ Plain Mount, 6-Jaw

| Type | Self-Centering | Chuck Style | Manual |
| Number of Jaws | 6 | Material | Forged Steel |
| Chuck Size | 4″ | Weight | 11 lbs |
| Mount | Plain Back | Model No | 8688040 |
| Operation Type | .787″ | Maximum RPM | 4,000 |
Product Features
| Remarks | • Fine Adjustment Steel Body
•Set-Tru Scroll Chucks have 3 pinions, or 3 positions for the chuck wrench. Compare with other well-known chucks which only use a single pinion design. Bison's finest product.
•.0004″ Accuracy
•Scroll & jaws hardened and ground 
•Three hardened and ground pinions
•4 Micro adjustment screws provide .0004 T.I.R. repeatability
•16″ 3- & 6-Jaw chucks use 8 micro adjustment screws
•Extremely high gripping concentricity
•2-Piece top jaws are American Standard Tongue & Groove. 4″ Has 2 sets solid jaws. | Country of Origin | Poland |
Shipping Info
Package Weight
10
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